Alas, camera ready, excited about eclipse in North America(Chicago area), and wouldn't you know it....the clouds are thick and heavy tonight......... Bill Ellis, WB9CAC wb9cac@attbi.com ----- Original Message ----- From: "ADavidhazy" <andpph@ritvax.isc.rit.edu> To: "List for Photo/Imaging Educators - Professionals - Students" <photoforum@listserver.isc.rit.edu> Cc: <andpph@vmsmail.rit.edu> Sent: Tuesday, May 13, 2003 4:57 PM Subject: Lunar eclipse exposure suggestions > Lunar Eclipse Exposure Suggestions (seconds) > > ISO Partial eclipse Total eclipse > > f/5.6 f/8 f/11 f/2.8 f/8 f/11 > > 400 1/250 1/125 1/60 1/2 4 8 > > To determine what the size of the moon will be on your frame take the focal > length of the lens you plan on using and divide it by 100. So a 100mm lens will > make a moon image be about 1mm in size on the film. A 1000mm focal length lens > will produce and iamge of the moon that is approximately equal to 1/2 the > height of a 35mm frame. > > Andrew o o 0 0 o . o Davidhazy, Imaging and Photo Tech > \/\/\/\/\/\/ http://www.rit.edu/~andpph > __________| |_____________________________________ >
